<! DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>字符串数组中每一项的长度</title>
</head>
<body>
<script>
    var array=["22222","a","","bbbb"]
    var newArray=[];
    for(var i=0;i<array.length;i++){
        var length=array[i].length;
        newArray[i]=length;
    }
    console.log(newArray);
        
        </script>
</body>
</html
